| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] a positive effect | 39 |
|
| 2 | have a positive effect | 37 |
|
| 3 | [vb infin] a positive effect | 11 |
|
| 4 | have a positive effect | 10 |
|
| 5 | had a positive effect | 8 |
|
| 6 | [vb pp] a positive effect | 8 |
|
| 7 | [vb past] a positive effect | 7 |
|
| 8 | had a positive effect | 6 |
|
| 9 | a positive effect [prep] | 37 |
|
| 10 | a positive effect [prep] | 37 |
|
| 11 | a positive effect on | 28 |
|
| 12 | a positive effect on | 28 |
|
| 13 | a positive effect in | 5 |
|
| 14 | a positive effect in | 5 |
|
